diff --git a/src/epub/content.opf b/src/epub/content.opf
index 1bdd6c5..1028e6a 100644
--- a/src/epub/content.opf
+++ b/src/epub/content.opf
@@ -73,7 +73,7 @@
Vrubel, Mikhail
Михаил Александрович Врубель
https://en.wikipedia.org/wiki/Mikhail_Vrubel
- https://id.loc.gov/authorities/names/n80136311
+ http://id.loc.gov/authorities/names/n80136311
art
Dianna Adair
Adair, Dianna